New and Little Known Species of Bipassalozetes and Some Other Related Genera (Acari: Oribatida) from Russia and Kazakhstan

Oribatid mites belonging to the genera Bipassalozetes, Proteremaeus, Oribatula and Eporibatula collected from Russia and Kazakhstan are studied. A new species, Bipassalozetes pilosus sp. nov. is described. In addition, six known species, Bipassalozetes reticulatus (MihelEiE, 1957), Bipassalozets granulatus (MihelCiE, 195 5), Bipassalozetes lineolatus (Sitnikova, 1975), Proteremaeus elongatus (Rjabinin & Krivolutsky, 1975), Oribatula elegantissima Balogh & Mahunka, 1965 and Eporibatula prominens Bayartogtokh & Aoki, 1998 are redescribed, with notes on their distributions. The species Bipassalozetesgranulatus (MihelEiC), B. reticulates (MihelEiE) and Eporibatulaprominens Bayartogtokh & Aoki are recorded for the first time in the fauna of Kazakhstan, and another species, Bipassalozets granulatus (MihelEiC) is reported for the first time from Russia. Data on geographic distribution of each known species are given